Using O=c1[nH]c2ccccc2n1CCN1CCC(=C(c2ccccc2)c2ccccc2)CC1 to produce O=c1[nH]c2ccccc2n1CCN1CCC(C(c2ccccc2)c2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.