Using O=C1Nc2ccc(Cl)cc2C(c2ccccc2)=NC12CCNCC2 to produce O=C1Nc2ccc(Cl)cc2C(c2ccccc2)NC12CCNCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.