Using CCCOc1cc(C)c(N)c(C)c1, CCc1cccc(C)c1NC(=O)CCBr to produce CCCOc1cc(C)c(NC(=O)CCBr)c(C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.