Using COC(=O)C=Cc1c(C(=O)OC)c2c(n1C)C(=O)C=C(OC)C2=O to produce COC(=O)C=Cc1c(C(=O)OC)c2c(O)c(OC)cc(O)c2n1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.