Using CCn1c(C(=O)c2cc(C)cc(C#N)c2)c(C(C)C)c(=O)[nH]c1=O, CC(=O)OCBr to produce CCn1c(C(=O)c2cc(C)cc(C#N)c2)c(C(C)C)c(=O)n(COC(C)=O)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.