Using O=C1OC(CO)C(O)C(O)C1O, NCCCCCCCCCCCC(=O)O to produce O=C(O)CCCCCCCCCCCNC(=O)C(O)C(O)C(O)C(O)CO, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.