Using COc1ccc(CN)c(OC)c1, CC1=C(Br)C(=O)OC1=O to produce COc1ccc(CN2C(=O)C(C)=C(Br)C2=O)c(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.