Using O=C(Cn1c(=O)n(-c2ccc3c(c2)OCO3)c2ncccc21)c1ccccc1 to produce O=c1n(CC(O)c2ccccc2)c2cccnc2n1-c1ccc2c(c1)OCO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.