Using CCN=C=NCCCN(C)C, O=C(O)c1cc(-c2cn(C3CCCC3)c3cc[nH]c(=O)c23)cs1 to produce NC(=O)c1cc(-c2cn(C3CCCC3)c3cc[nH]c(=O)c23)cs1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.