Using CCCC[P+](CCCC)(CCCC)Cc1nc2cc(Br)cnc2[nH]1, CC(=O)Nc1cc(C)cc(C=O)n1 to produce CC(=O)Nc1cc(C)cc(/C=C/c2nc3cc(Br)cnc3[nH]2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.