Using O=C(O)c1cncs1, CCC(=O)CCCCC[C@H](N)c1ncc(-c2cc3ccccc3n(C)c2=O)o1 to produce CCC(=O)CCCCC[C@H](NC(=O)c1cncs1)c1ncc(-c2cc3ccccc3n(C)c2=O)o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.