Using [N-]=[N+]=NCC(=O)O, CC(C)(C)OC(=O)NCCCOCCOCCOCCCN to produce CC(C)(C)OC(=O)NCCCOCCOCCOCCCNC(=O)CN=[N+]=[N-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.