Using Clc1ccc([Mg]Br)cc1, COC1=CC(=O)CN(Cc2ccccc2)C1 to produce O=C1C=C(c2ccc(Cl)cc2)CN(Cc2ccccc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.