Using CCOC(=O)N(C)CCN1CCN(C(c2ccccc2)c2ccccc2)CC1 to produce CNCCN1CCN(C(c2ccccc2)c2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.