Using CC(C)(C)OC(=O)NCCCCCC(=O)ON1C(=O)CCC1=O, COC(=O)c1c(O)cc(CN)cc1O to produce COC(=O)c1c(O)cc(CNC(=O)CCCCCN)cc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.