Using Nc1ccccc1-c1cc2ccccc2[nH]1, O=C1CCN(Cc2ccccc2)CC1 to produce C1=CCC2=C3N=c4ccccc4=C3C3(CCN(Cc4ccccc4)CC3)NC2=C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.