Using CCC(CC)C(=O)Nc1ccc2ncn3c(=O)c(C(=O)OC)cnc3c2c1 to produce CCC(CC)C(=O)Nc1ccc2ncn3c(=O)c(C(=O)O)cnc3c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.