Using OC(CCCc1cncn1Cc1ccccc1)(c1ccccc1)c1ccccc1 to produce C(CCc1cncn1Cc1ccccc1)=C(c1ccccc1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.