Using CN(C)C(On1nnc2ccccc21)=[N+](C)C, O=C(O)[C@H]1CC[C@H](Nc2ncc3ncnc(Nc4ccc(F)c(Cl)c4)c3n2)CC1 to produce O=C([C@H]1CC[C@H](Nc2ncc3ncnc(Nc4ccc(F)c(Cl)c4)c3n2)CC1)N1CCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.