Using ClCCCBr, CCOC(=O)C1CCc2cc3c(cc2C1=O)n(C)c(=O)n3C to produce CCOC(=O)C1(CCCCl)CCc2cc3c(cc2C1=O)n(C)c(=O)n3C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.