Using Cc1cc(C(=O)CBr)c(C)o1, CCOC(=O)c1cnc(C)[nH]c1=O to produce CCOC(=O)c1cnc(C)n(CC(=O)c2cc(C)oc2C)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.