Using COC(=O)[C@H]1CC[C@H](CNc2ncc3ncnc(Nc4ccc(F)c(Cl)c4)c3n2)CC1 to produce O=C(O)[C@H]1CC[C@H](CNc2ncc3ncnc(Nc4ccc(F)c(Cl)c4)c3n2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.