Using Cc1c(C)c2c(c(C)c1N)C(c1ccc(C(C)C)cc1)C(C)(C)O2, O=C([O-])[O-] to produce Cc1c(C)c(N2Cc3cc4c(cc3C2)OCO4)c(C)c2c1OC(C)(C)C2c1ccc(C(C)C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.