Using CCCCCCCCCCCCCCCCCCOCC1CO1, NCCCC[C@H](N)C(=O)O to produce CCCCCCCCCCCCCCCCCCOCC(O)CNCCCC[C@H](N)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.