Using Cc1ccc(Br)cn1, C=CCn1c2c(c3cc(Cl)ccc31)CN(C)CC2 to produce Cc1ccc(/C=C/Cn2c3c(c4cc(Cl)ccc42)CN(C)CC3)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.