Using COc1cn2nc(Cl)ccc2n1, OCCCN1CCN(C(c2ccccc2)c2ccccc2)CC1 to produce COc1cn2nc(OCCCN3CCN(C(c4ccccc4)c4ccccc4)CC3)ccc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.