Using CCOC(=O)C(N)CC(C)C, Nc1nc(Cl)c2c(n1)CCCC2 to produce CCOC(=O)C(CC(C)C)Nc1nc(N)nc2c1CCCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.