Using CCOC(=O)c1c(N2CCCC2)c2ccc(C)nc2n(CC)c1=O to produce CCNc1c(C(=O)OCC)c(=O)n(CC)c2nc(C)ccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.