Using CCc1nc2c(cnn2CC)c(NC2CCOCC2)c1CN, COC(=O)c1cccc(C(=O)O)n1 to produce CCc1nc2c(cnn2CC)c(NC2CCOCC2)c1CNC(=O)c1cccc(C(=O)OC)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.