Using CCN(CC)CCN1C(=O)c2cc(OC)c3[nH]c4ccc(OCc5ccccc5)cc4c3c2C1=O to produce CCN(CC)CCN1C(=O)c2cc(OC)c3[nH]c4ccc(O)cc4c3c2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.