Using O=C1CCC(=O)N1Br, CCCc1sc(C(=O)OC)cc1-c1ccnn1C to produce CCCc1sc(C(=O)O)cc1-c1c(Br)cnn1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.