Using O=C(Br)CBr, CCNC[C@H](C)NC(=O)OC(C)(C)C to produce C[C@@H](CNCCC(=O)CBr)NC(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.