Using CC(=O)OCC1=C(C(=O)O)N2C(=O)C(NC(=O)Cc3csc(=O)s3)C2SC1, [N-]=[N+]=[N-] to produce [N-]=[N+]=NCC1=C(C(=O)O)N2C(=O)C(NC(=O)Cc3csc(=O)s3)C2SC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.