Using COc1ccc(-n2c(=O)c3c(Cc4ccccc4)n[nH]c3c3cccnc32)cc1 to produce O=c1c2c(Cc3ccccc3)n[nH]c2c2cccnc2n1-c1ccc(O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.