Using CCOC(=O)C1(Cc2ccccc2)CCN(C(=O)c2ccccc2)CC1 to produce O=C(c1ccccc1)N1CCC(Cc2ccccc2)(C(=O)O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.