Using COc1cccc(Cc2n[nH]c3c2c(=O)n(-c2ccccc2)c2ncccc32)c1 to produce O=c1c2c(Cc3cccc(O)c3)n[nH]c2c2cccnc2n1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.