Using CC(=O)OC(C)=O, C[C@@H]1CNC[C@H]2Cc3cc4c(nc3N21)COC4 to produce CC(=O)N1C[C@H]2Cc3cc4c(nc3N2[C@H](C)C1)COC4, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.