Using CCOC(=O)c1ncc2[nH]c3cccc(OCc4ccccc4)c3c2c1COC to produce CCOC(=O)c1ncc2[nH]c3cccc(O)c3c2c1COC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.