Using O=CCCl, COc1cccc(C(=N)Nc2c(C(C)C)cc(Br)cc2C(C)C)c1 to produce COc1cccc(-c2nccn2-c2c(C(C)C)cc(Br)cc2C(C)C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.