Using CI, O=C1NCN(c2ccccc2)C12CCN(C1CCC3CCCCC3C1)CC2 to produce CN1CN(c2ccccc2)C2(CCN(C3CCC4CCCCC4C3)CC2)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.