Using CCN(CC)c1ccc(CCCc2ccc(Nc3ccccc3C(=O)OC)cc2)cc1 to produce CCN(CC)c1ccc(CCCc2ccc(Nc3ccccc3C(=O)O)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.