Using CCCCc1nc(Cl)c(C=O)n1Cc1ccc(-c2nc3ccccn3c2C(=O)OCC)cc1 to produce CCCCc1nc(Cl)c(CO)n1Cc1ccc(-c2nc3ccccn3c2C(=O)O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.