Using COc1nc(/C(=C/CCN2C(=O)c3ccccc3C2=O)c2ccc(SC)cc2)ccc1C1CC1 to produce COc1nc(/C(=C/CCN)c2ccc(SC)cc2)ccc1C1CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.