Using Cn1c(N)c(-c2ccc(Cl)cc2)c2ccccc21, CC(=O)OC(C)=O to produce CC(=O)Nc1c(-c2ccc(Cl)cc2)c2ccccc2n1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.