Using C1COCCN1, NC(=O)c1cc(Br)cc2c1[nH]c1cc(C(=O)O)ccc12 to produce NC(=O)c1cc(Br)cc2c1[nH]c1cc(C(=O)N3CCOCC3)ccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.