Using C=C(C)n1c(=O)n(CCCN2CCN(Cc3ccccc3)CC2)c2ccccc21 to produce O=c1[nH]c2ccccc2n1CCCN1CCN(Cc2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.