Using O[C@H]1CC[C@H](Nc2nc(NCc3ccccc3)c3ncn(C4CCCC4)c3n2)CC1 to produce O=C1CCC(Nc2nc(NCc3ccccc3)c3ncn(C4CCCC4)c3n2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.