Using CCCCn1c(-c2ccccc2C)nc(Cl)c1CN(CCC(C)C)Cc1ccc2[nH]ccc2c1, O=C=NS(=O)(=O)Cl to produce CCCCn1c(-c2ccccc2C)nc(Cl)c1CN(CCC(C)C)Cc1ccc2[nH]cc(C#N)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.