Using O=Cc1ccc(CBr)cc1, COC(=O)Cc1c(C)n[nH]c1C to produce COC(=O)Cc1c(C)nn(Cc2ccc(C=O)cc2)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.