Using CCOC(=O)Nc1c(C(=O)OCC)n(C)c2cc(OCc3ccccc3)ccc12 to produce CCOC(=O)Nc1c(C(=O)O)n(C)c2cc(OCc3ccccc3)ccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.