Using COC(=O)Cc1cc2c(n1C)C(=O)c1ccc(C)cc1OC2 to produce Cc1ccc2c(c1)OCc1cc(CC(=O)O)n(C)c1C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.