Using CCc1c(-c2ccc3c(ccn3C)c2O)[nH]c(=O)c(C(=O)OC)c1O to produce CCc1c(-c2ccc3c(ccn3C)c2O)[nH]c(=O)c(C(=O)O)c1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.