Using COC(=O)c1nc(-c2cccnc2)c2c(cc(-c3ccccc3)c(=O)n2Cc2ccccc2)c1O to produce O=C(O)c1nc(-c2cccnc2)c2c(cc(-c3ccccc3)c(=O)n2Cc2ccccc2)c1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.