Using CC(=O)OC(C)=O, COC(=O)c1c(-c2ccccc2)c2cc(Br)ccc2c(=O)n1CC1CCNCC1 to produce COC(=O)c1c(-c2ccccc2)c2cc(Br)ccc2c(=O)n1CC1CCN(C(C)=O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.