Using O=Cc1ccncc1Cl, COc1cc2c(cc1OC)C(=O)CCC2 to produce COc1cc2c(cc1OC)C(=O)/C(=C/c1ccncc1Cl)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.