Using COC(=O)c1nc2[nH]ccn2c(=O)c1OC(C)=O, CC1CC(C)CN(C(=O)CBr)C1 to produce COC(=O)c1nc2n(CC(=O)N3CC(C)CC(C)C3)ccn2c(=O)c1OC(C)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.