Using COCC(=O)Cl, O=[N+]([O-])c1ccc2c(c1)OCCCN2 to produce COCC(=O)N1CCCOc2cc([N+](=O)[O-])ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.