Using O=Cc1cccc(Br)c1, COC(=O)c1cc(N)cc(Cl)c1 to produce COC(=O)c1cc(Cl)cc(N=Cc2cccc(Br)c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.