Using Cc1nn(-c2ccccn2)c2c1C(=O)CC(C)(C)C2Br, CC(C)=O to produce COC1c2c(c(C)nn2-c2ccccn2)C(=O)CC1(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.