Using CCCCCCCCCCCCOCCl, CCC1(CC)C(=O)N=C([O-])NC1=O to produce CCCCCCCCCCCCOCN1C(=O)N(COCCCCCCCCCCCC)C(=O)C(CC)(CC)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.