Using COc1cc2ncnc(N3CCC(n4c(=O)c5cc(C)ccc5n(C)c4=O)CC3)c2cc1OC to produce COc1cc2ncnc(N3CCC(n4c(=O)c5cc(C)ccc5n(C)c4=O)CC3)c2cc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.