Using C(=C1CCN(C(c2ccccc2)(c2ccccc2)c2ccccc2)CC1)c1ccc(C2=NCCO2)cc1 to produce C(=C1CCNCC1)c1ccc(C2=NCCO2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.