Using CC(=O)O[C@H]1[C@@H]2NC(=O)c3cc4c(cc3[C@H]2C[C@H](OC(C)=O)[C@H]1OC(C)=O)OCO4 to produce O=C1N[C@@H]2C(=C[C@H](O)[C@@H](O)[C@H]2O)c2cc3c(cc21)OCO3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.