Using C=CC(=O)OCCCCOC(=O)Oc1ccc(C(=O)O)cc1, C(=NC1CCCCC1)=NC1CCCCC1 to produce O=C(NC1CCCCC1)NC1CCCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.