Using Cc1cccnc1Cl, C(=C/c1nc2ccccc2n1-c1ccccn1)\c1ccccc1 to produce Cc1cccnc1-n1c(/C=C/c2ccccc2)nc2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.