Using O=C1OC(=O)c2c1cc1ccc3c(c1c2-c1ccc2c(c1)OCO2)OCO3, NO to produce O=C1c2cc3ccc4c(c3c(-c3ccc5c(c3)OCO5)c2C(=O)N1O)OCO4, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.