Using CI, O=C1Nc2ccccc2CN1C1CCN(Cc2ccccc2)CC1 to produce CN1C(=O)N(C2CCN(Cc3ccccc3)CC2)Cc2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.