Using N=C(N)Cc1ccccc1Br, COC(=O)/C(OCc1ccccc1)=C(\O)C(=O)OC(C)(C)C to produce CC(C)(C)OC(=O)c1[nH]c(Cc2ccccc2Br)nc(=O)c1OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.