Using Cc1nc(CO)c(C)o1, COC(=O)CCc1cn(Cc2ccc(O)cc2)nc1-c1ccccc1 to produce COC(=O)CCc1cn(Cc2ccc(OCc3nc(C)oc3C)cc2)nc1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.