Using CC[Mg]Br, CCOC(=O)c1noc(COc2ccc(Cl)cc2Cl)n1 to produce CCC(=O)c1noc(COc2ccc(Cl)cc2Cl)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.